Home / 396,289,903.60-594,434,855.40-360,577,068.40

Finding the Fourth Proportional to 396,289,903.60, 594,434,855.40 and 360,577,068.40

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Solution

The fourth proportional to 396,289,903.60, 594,434,855.40 and 360,577,068.40 is: 540,865,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,289,903.60 : 594,434,855.40 = 360,577,068.40 : x
  2. Step 2: Convert to fraction form
    396,289,903.60/594,434,855.40 = 360,577,068.40/x
  3. Step 3: Cross multiply
    396,289,903.60x = 594,434,855.40 × 360,577,068.40
  4. Step 4: Simplify right side
    396,289,903.60x = 214,339,577,514,909,888
  5. Step 5: Solve for x
    x = 214,339,577,514,909,888/396,289,903.60
  6. Step 6: Final answer
    x = 540,865,602.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.